mysql 留言及回复_php+mysql ，评论回复功能怎么实现？

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header('Content-type:text/html; charset=utf-8');

echo $_SERVER["REMOTE_ADDR"]."

$sip=substr($_SERVER["REMOTE_ADDR"],10,12);

$eip=200;

if($sip>$eip){

echo "您的IP值为：".$_SERVER["REMOTE_ADDR"]."在规定的IP段位";

}

else{echo "您的IP值为：".$_SERVER["REMOTE_ADDR"]."不在规定的IP段位";}

echo "

echo "

echo "

echo "我的发e68a84e8a2ad3231313335323631343130323136353331333365646235布:";

echo "";

echo "

//************************连接数据库*******************

$link=mysql_connect('localhost','root','') or die('链接失败');

mysql_select_db('test',$link) or die('链接数据库失败！');

@$content=$_REQUEST['content'];

if(isset($content) || $content!=''){

$sql1="insert into says(c_content,pid,path) values('".$content."','0','0');";

}else{

echo "别刷页面行不？有意思吗？";

}

@$oo=mysql_query($sql1);

if($oo){echo "发布成功！
";}else{echo "发布失败！
";}

$sql="select c_id,c_content,pid,path,concat(path,'-',c_id) as bpath from says order by bpath";

$rows=mysql_query("$sql");

//var_dump($row);

while($res=mysql_fetch_assoc($rows)){

echo "

$num=count(explode('-',$res['bpath']));

for($i=0;$i

echo ' ';

}

echo "发布人：".$res['c_id']."---------------"."发布内容：".$res['c_content']."回复".""."

}

//***************************回复********************

@$contents=$_REQUEST['contents'];

if(isset($contents) || $contents!=''){

$bj=$_REQUEST['path']."-".$_REQUEST['id'];

$sql2="insert into says(c_content,pid,path) values('".$contents."','".$_REQUEST['id']."','".$bj."');";

}

@$aiyao=mysql_query($sql2);

if($aiyao){echo "回复成功！
";}else{echo "回复失败！
";}

?>

$(".huifu").click(function(){

var str="
回复内容：";

$(this).next().html(str);

})